Carrera CA 357/C Optical Frame combines a high-density acetate front with thin metal temples and a magnetic polarized clip-on, offering everyday optical wear with quick sun protection. Key attributes: Black | Gold | Acetate | Polarized lenses | 100% UV protection | Lightweight front | Magnetic clip-on sunglass lens | Prescription-compatible (RX-able) | Flexible hinges | Rectangular frame | High-density acetate front | Thin metal temples | Gradient lens treatment | Dimensions & fit: Caliber: 54 mm | Bridge: 17 mm | Temple: 145 mm | Composition & care: Front: Acetate | Temples: Metal | Lenses: Polarized